cxf: CXF's STSClient uses a flawed way of caching tokens that are associated with delegation tokens
Published Apr 18, 2017
7.5
HIGHCVSS 3.0
EPSS 6.83%
Description
Apache CXF's STSClient before 3.1.11 and 3.0.13 uses a flawed way of caching tokens that are associated with delegation tokens, which means that an attacker could craft a token which would return an identifer corresponding to a cached token for another user.
Affected products
-
- Version 3.1.x before 3.1.11StatusaffectedConstraints-
- Version versions before 3.0.13StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache CXF | n/a |
|
No data.
Red Hat JBoss A-MQ 6.3
cxf
Fixed · RHSA-2017:1832
Red Hat JBoss Fuse 6.3
cxf
Fixed · RHSA-2017:1832
Red Hat Openshift Application Runtimes
n/a
Fixed · RHSA-2018:1694
Red Hat BPM Suite 6
cxf
Not affected
Red Hat JBoss BRMS 5
cxf
Not affected
Red Hat JBoss BRMS 6
cxf
Not affected
Red Hat JBoss Data Grid 6
cxf
Not affected
Red Hat JBoss Data Virtualization 6
cxf
Not affected
Red Hat JBoss Enterprise Application Platform 5
cxf
Not affected
Red Hat JBoss Enterprise Application Platform 6
cxf
Not affected
Red Hat JBoss Enterprise Application Platform 7
cxf
Will not fix
Red Hat JBoss Fuse Service Works 6
cxf
Not affected
Red Hat JBoss Operations Network 3
cxf
Not affected
Red Hat JBoss Portal 6
cxf
Not affected
Red Hat JBoss SOA Platform 5
cxf
Not affected
Red Hat OpenShift Application Runtimes
cxf
Not affected
Red Hat OpenShift Enterprise 2
cxf
Under investigation
Red Hat Single Sign-On 7
cxf
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat JBoss A-MQ 6.3 | cxf | Fixed | RHSA-2017:1832 |
| Red Hat JBoss Fuse 6.3 | cxf | Fixed | RHSA-2017:1832 |
| Red Hat Openshift Application Runtimes | n/a | Fixed | RHSA-2018:1694 |
| Red Hat BPM Suite 6 | cxf | Not affected | n/a |
| Red Hat JBoss BRMS 5 | cxf | Not affected | n/a |
| Red Hat JBoss BRMS 6 | cxf | Not affected | n/a |
| Red Hat JBoss Data Grid 6 | cxf | Not affected | n/a |
| Red Hat JBoss Data Virtualization 6 | cxf | Not affected | n/a |
| Red Hat JBoss Enterprise Application Platform 5 | cxf | Not affected | n/a |
| Red Hat JBoss Enterprise Application Platform 6 | cxf | Not affected | n/a |
| Red Hat JBoss Enterprise Application Platform 7 | cxf | Will not fix | n/a |
| Red Hat JBoss Fuse Service Works 6 | cxf | Not affected | n/a |
| Red Hat JBoss Operations Network 3 | cxf | Not affected | n/a |
| Red Hat JBoss Portal 6 | cxf | Not affected | n/a |
| Red Hat JBoss SOA Platform 5 | cxf | Not affected | n/a |
| Red Hat OpenShift Application Runtimes | cxf | Not affected | n/a |
| Red Hat OpenShift Enterprise 2 | cxf | Under investigation | n/a |
| Red Hat Single Sign-On 7 | cxf | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.83% (0.06827) | 93.82th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.83% (0.06827) | 93.17th | v5 (v2026.06.15) |
| Mar 13, 2026 | 2.39% (0.02386) | 84.80th | v4 (v2025.03.14) |
| Nov 21, 2025 | 3.80% (0.03801) | 87.62th | v4 (v2025.03.14) |
| Nov 18, 2025 | 2.77% (0.02772) | 84.75th | v4 (v2025.03.14) |
| Mar 30, 2025 | 3.80% (0.03801) | 87.02th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.84% (0.04840) | 82.16th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.02% (0.03016) | 85.71th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.25% (0.00252) | 65.63th | v3 (v2023.03.01) |
| Mar 5, 2024 | 0.25% (0.00252) | 64.36th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.25% (0.00252) | 62.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.35% (0.00353) | 67.50th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.03% (0.03032) | 83.64th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.03% (0.03032) | 64.44th | v2 (v2022.01.01) |
| Feb 3, 2022 | 7.09% (0.07095) | 83.78th | v1 |
| Jun 24, 2021 | 7.09% (0.07095) | 0.00th | v1 |
| Jun 19, 2021 | 25.52% (0.25522) | 0.00th | v1 |
| Jun 17, 2021 | 7.09% (0.07095) | 0.00th | v5 (v2026.06.15) |
| Apr 14, 2021 | 6.54% (0.06539) | 0.00th | v1 |
References (24)
- http://cxf.apache.org/security-advisories.data/CVE-2017-5656.txt.asc
- http://cxf.apache.org/security-advisories.data/CVE-2017-5656.txt.asc?version=1&modificationDate=1492515113282&api=v2 x_refsource_CONFIRMPatchVendor Advisory
- http://www.securityfocus.com/bid/97971 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038282 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1832 vendor-advisoryx_refsource_REDHATIssue Tracking
- https://access.redhat.com/errata/RHSA-2018:1694 vendor-advisoryx_refsource_REDHATIssue Tracking
- https://access.redhat.com/security/cve/CVE-2017-5656 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1445329 Issue Tracking
- https://github.com/advisories/GHSA-v936-x3j5-c76j Advisory
- https://github.com/apache/cxf/commit/1a4fe22fc297f8be204788bcdfcd498e91201a01
- https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf%40%3Ccommits.cxf.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r36e44ffc1a9b365327df62cdfaabe85b9a5637de102cea07d79b2dbf@%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rc774278135816e7afc943dc9fc78eb0764f2c84a2b96470a0187315c%40%3Ccommits.cxf.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rc774278135816e7afc943dc9fc78eb0764f2c84a2b96470a0187315c@%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed307839a6%40%3Ccommits.cxf.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rd49aabd984ed540c8ff7916d4d79405f3fa311d2fdbcf9ed307839a6@%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4%40%3Ccommits.cxf.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rec7160382badd3ef4ad017a22f64a266c7188b9ba71394f0d321e2d4@%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e%40%3Ccommits.cxf.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rfb87e0bf3995e7d560afeed750fac9329ff5f1ad49da365129b7f89e@%3Ccommits.cxf.apache.org%3E
- https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740b244bd4%40%3Ccommits.cxf.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rff42cfa5e7d75b7c1af0e37589140a8f1999e578a75738740b244bd4@%3Ccommits.cxf.apache.org%3E
- https://nvd.nist.gov/vuln/detail/CVE-2017-5656
- https://www.cve.org/CVERecord?id=CVE-2017-5656
Change history (0)
No recorded changes yet.